3-(5-Chlorothiophen-2-yl)-N'-(3-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazide CAS 303104-88-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303104-88-3 |
| Molecular Formula | C15H11ClN4O2S |
| Molecular Weight | 346.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-(5-Chlorothiophen-2-yl)-N'-(3-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazide (CAS 303104-88-3) pharmaceutical standards reference standard. Molecular formula: C15H11ClN4O2S. Molecular weight: 346.79 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C15H11ClN4O2S |
| Molecular Weight | 346.79 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 5-(5-Chlorothiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 676153-48-3)
- 1-(3-Chlorothiophen-2-yl)-3-((4-(trifluoromethoxy)phenyl)amino)prop-2-en-1-one (CAS 321433-55-0)
- N-(4-(5-Chlorothiophen-2-yl)thiazol-2-yl)-4-cyanobenzamide (CAS 325986-72-9)
- 2-((5-Chlorothiophen-2-yl)sulfonyl)-N-(2-methoxyphenyl)acetamide (CAS 1021079-41-3)
- 1-((5-Chlorothiophen-2-yl)sulfonyl)-4-(thiophen-2-yl)piperidine (CAS 1396815-45-4)
- 2-(5-Chlorothiophen-2-yl)-2-oxoethyl 2-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)acetate (CAS 781619-26-9)
- Methyl 1-(5-(3-chlorothiophen-2-yl)-3-cyano-1H-pyrrol-2-yl)piperidine-4-carboxylate (CAS 477854-08-3)
- 2-((1-(4-(3-Chlorothiophen-2-yl)-6-methylpyrimidin-2-yl)-1H-pyrrol-2-yl)methylene)malononitrile (CAS 861210-73-3)
Recommended Standards
- 3-(3-Chlorophenyl)-4-((3,4-dihydroxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-33-3)
- 4-Chloro-N-(2-(pyridin-3-yl)pyrimidin-4-yl)benzenesulfonamide (CAS 439108-36-8)
- 3-(2-Chlorophenyl)-4-((3,4-dihydroxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-44-3)
- 2-(2-Hydroxypropan-2-yl)isonicotinaldehyde (CAS 1469287-12-4)
- 1,5-dimethyl 2-acetylpentanedioate (CAS 116981-01-2)
- 3-(Methoxycarbonyl)furan-2-carboxylic acid (CAS 23268-41-9)
- Stichodactyla helianthus Neurotoxin (ShK) (CAS 172450-46-3)
- 5-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(propan-2-yl)pyrimidine-4-carboxylic acid (CAS 1283678-39-6)
- Benzyl 2-(oxiran-2-yl)butanoate (CAS 2813199-48-1)
- Fibronectin Adhesion-Promoting Peptide (CAS 125720-21-0)
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